File: pread.c

package info (click to toggle)
git 1%3A2.53.0-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 62,528 kB
  • sloc: ansic: 309,696; sh: 264,007; perl: 25,983; tcl: 21,896; makefile: 4,296; python: 3,452; javascript: 772; csh: 45; xml: 41
file content (19 lines) | stat: -rw-r--r-- 457 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
#include "../git-compat-util.h"
#include "../wrapper.h"

ssize_t git_pread(int fd, void *buf, size_t count, off_t offset)
{
        off_t current_offset;
        ssize_t rc;

        current_offset = lseek(fd, 0, SEEK_CUR);

        if (lseek(fd, offset, SEEK_SET) < 0)
                return -1;

        rc = read_in_full(fd, buf, count);

        if (current_offset != lseek(fd, current_offset, SEEK_SET))
                return -1;
        return rc;
}